/**
 * Copyright (c) 2008, George Taylor
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification, are permitted 
 * provided that the following conditions are met:
 * 
 *   * Redistributions of source code must retain the above copyright notice, this list of 
 *     conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright notice, this list of 
 *     conditions and the following disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *   * Neither the name of the copyright holder's organization nor the names of its contributors 
 *     may be used to endorse or promote products derived from this software without specific 
 *     prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package uk.co.taylorconsulting.annoweb.web.resources;

import java.util.ArrayList;
import java.util.Hashtable;

public class Messages {
	private Hashtable<MessageTypeEnum, ArrayList<Message>> messages = new Hashtable<MessageTypeEnum, ArrayList<Message>>();
	
	public void addMessage(Message m) {
		ArrayList<Message> msgs = messages.get(m.getType());
		if (msgs == null) {
			msgs = new ArrayList<Message>();
			messages.put(m.getType(), msgs);
		}
		msgs.add(m);
	}
	
	public ArrayList<Message> getMessages() {
		ArrayList<Message> retVal = new ArrayList<Message>();
		for (MessageTypeEnum type : messages.keySet()) {
			retVal.addAll(getMessages(type));
		}
		return retVal;
	}
	
	public ArrayList<Message> getMessages(MessageTypeEnum type) {
		return messages.get(type);
	}
	
	public ArrayList<Message> getMessages(MessageTypeEnum type, String keyStart) {
		return filter(getMessages(type), keyStart);
	}
	
	public ArrayList<Message> getMessages(String keyStart) {
		return filter(getMessages(), keyStart);
	}
	
	private ArrayList<Message> filter(ArrayList<Message> msgs, String keyStart) {
		ArrayList<Message> retVal = new ArrayList<Message>();
		for (Message m : msgs) {
			if (m.getKey().startsWith(keyStart)) {
				retVal.add(m);
			}
		}
		return retVal;
	}
}
